RTX PRO 4500 Blackwell Server vs Radeon R5 M255
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1071 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 3.0 (2014−2019) | Blackwell 2.0 (2025−2026) |
| GPU code name | Topaz | GB203 |
| Market segment | Laptop | Workstation |
| Release date | 12 October 2014 (11 years ago) | 17 March 2026 (recently) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 384 | 10496 |
| Compute units | 5 | no data |
| Core clock speed | 925 MHz | 1215 MHz |
| Boost clock speed | 940 MHz | 2415 MHz |
| Number of transistors | 1,550 million | 45,600 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | no data | 165 Watt |
| Texture fill rate | 22.56 | 792.1 |
| Floating-point processing power | 0.7219 TFLOPS | 50.7 TFLOPS |
| ROPs | 8 | 112 |
| TMUs | 24 | 328 |
| Tensor Cores | no data | 328 |
| Ray Tracing Cores | no data | 82 |
| L1 Cache | 96 KB | 10.3 MB |
| L2 Cache | 256 KB | 64 MB |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Bus support | PCIe 3.0 x8 | no data |
| Interface | PCIe 3.0 x8 | PCIe 5.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 1-slot |
| Supplementary power connectors | no data | 1x 16-pin |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | DDR3 | GDDR7 |
| Maximum RAM amount | 4 GB | 32 GB |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 1000 MHz | 1563 MHz |
| Memory bandwidth | 16 GB/s | 800.3 GB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | No outputs |
| Eyefinity | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| AppAcceleration | + | - |
| HD3D | + | - |
| PowerTune | + | - |
| DualGraphics | + | - |
| ZeroCore | + | - |
| Switchable graphics | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12 Ultimate (12_2) |
| Shader Model | 6.3 | 6.9 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | Not Listed | 3.0 |
| Vulkan | - | 1.4 |
| Mantle | + | - |
| CUDA | - | 12.0 |
| DLSS | - | + |
Pros & cons summary
| Recency | 12 October 2014 | 17 March 2026 |
| Maximum RAM amount | 4 GB | 32 GB |
| Chip lithography | 28 nm | 5 nm |
RTX PRO 4500 Blackwell Server has an age advantage of 11 years, a 700% higher maximum VRAM amount, and a 460% more advanced lithography process.
We couldn't decide between Radeon R5 M255 and RTX PRO 4500 Blackwell Server. We've got no test results to judge.
Be aware that Radeon R5 M255 is a notebook graphics card while RTX PRO 4500 Blackwell Server is a workstation one.
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